Chapter headings and selected papers: Latest Results on Mars and Phobos Studies. Characteristics of aerosols phenomena in Martian atmosphere from KRFM experiment data, V I Moroz et al . Phobos map and Phobos globe, L M Bugaevsky et al . Submicron-sized dust grains in the Martian environment, M Tatrallyay et al . Recent Results on Venus. Venus: lessons for Earth, D M Hunten. The Venus ashen light: results of the 1988 observing campaign, J L Phillips & C T Russe;l. Thermal fluxes and cooling rates in the Venus atmosphere from Venera-15 infrared spectrometer data, D V Titov et al . Imaging of Venus from Galileo: early results and camera performance, M J S Belton et al . Venus thermospheric response to short-term solar variations, G M Keating & S M Bough;r. Martian Plasma Environment. The solar wind interaction with Mars: a review of results from previous Soviet missions to Mars, O L Vaisberg. Bow shocks and magnetotails of Venus and Mars: a comparison, C T Russell et al . The plasma environment of Mars: Phobos mission results. A 1990 status, A V Zakharov. Energetic particle studies at Mars by sled on Phobos 2, S McKenna-Lawlor et al . Waves and cold plasmas near Mars, R Grard et al . Solar wind-driven plasma flows in the Venus and Mars ionospheres, H Perez-de-Tejada. Author Index.